May 12, 2026-KB5087051 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 and Microsoft server operating system 24H2

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March 10, 2026—Hotpatch KB5078737 (OS Build 20348.4830)

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April 14, 2026-KB5084067 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2

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April 14, 2026-Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 (KB5084069)

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September 22, 2025—KB5068221 (OS Build 26100.6588) Out-of-band

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May 13, 2025—KB5058379 (OS Builds 19044.5854 and 19045.5854) - EXPIRED

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July 8, 2025—KB5062557 (OS Build 17763.7558)

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May 13, 2025—KB5058383 (OS Build 14393.8066)

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May 13, 2025—KB5058392 (OS Build 17763.7314)

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May 13, 2025—KB5058387 (OS Build 10240.21014)

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May 13, 2025—KB5058405 (OS Builds 22621.5335 and 22631.5335)

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June 10, 2025—KB5060526 (OS Build 20348.3807)

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June 24, 2025—KB5061087 (OS Build 19045.6036) Preview

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May 13, 2025—Hotpatch KB5058497 (OS Build 26100.3981)

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June 10, 2025—KB5060533 (OS Builds 19044.5965 and 19045.5965) - EXPIRED

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June 10, 2025—Hotpatch KB5060525 (OS Build 20348.3745)

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KB5060954: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: June 10, 2025

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May 27, 2025—KB5061979 (OS Builds 19044.5859 and 19045.5859) Out-of-band

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KB5058524: Servicing stack update for Windows 10, version 1607 and Server 2016: May 13, 2025

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April 11, 2025—KB5058919 (OS Builds 22621.5192 and 22631.5192) Out-of-band

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